This bench press calculator can be used to work out your approximate 1 REP MAX bench press. The way this bench calculator works is it takes the amount of weight you can bench for a certain number of reps and uses a formula to calculate your approximate 1 REP MAX. Obviously, these figures are not 100% accurate.
To use the bench press calculator simply enter the weight in the first box provided and select the number of reps from the drop down box. For example, if I benched 100kg for 10 reps I would enter 100 and select 10 reps. The bench press calculator works in both pounds and kilograms.
















































Comments (2,028)
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Posted Mon, 03/19/2012 - 23:40
You people should quit looking a this calculator and start lifting. When you look at a tool like this your mind immediately limits itself to what is published. When truly, the mind has no limits and is able to accomplish anything. QUIT LIMITING YOURSELF!
Posted Tue, 03/20/2012 - 22:46
Why are you here then.
Posted Thu, 03/22/2012 - 16:45
Lol....well said!
Posted Wed, 03/28/2012 - 16:07
Russ has a good point though. This calculator is fun an pretty accurate for me too but I'm trying to increase my max and increase my 225's. Certainly anytime I lay down on the bench I'm trying to improve any numbers I can.
Posted Mon, 04/23/2012 - 14:44
I am 42 years old 6' 220 & I used this only out of curiousity- After 2 1/2 decades of training I, like many others, have endured injuries that make a 1RM not safe or reasonable to attempt...live to lift another day & all that. Just today I did 260 x 14 & 275 x 12, according to the calculator both lifts put me about the same max weight 375-380. So if you don't really anticipate doing a 1RM, this is a safer way to estimate your max.
Posted Tue, 03/20/2012 - 03:46
165x10 I'm 14 and it sees 225 lol it's exactly right:O
Posted Mon, 04/16/2012 - 22:04
i do 180x8-10 and i do 240 you do 165x10 and do 225 weird
Posted Tue, 03/20/2012 - 17:41
I have found it is damn accurate for heavy weights. 308 lbs, Last night on heavy bench night I pushed 475x3=bout 520 raw.
Posted Wed, 03/21/2012 - 19:18
Cool
Posted Wed, 03/21/2012 - 19:56
this is pretty damn close. at 17 im 6'2 and 200 lbs. i put up 245 for 6 and 1 rep max about 290. the calculator was only a couple pounds off
Posted Thu, 03/22/2012 - 16:13
It's pretty accurate in the mid 4's as well. I hit 390 for 5 yesterday and this calculator says I should be at 455, I was able to lock out 450 a few weeks ago so it seems dead on
Posted Thu, 03/22/2012 - 16:43
Yup almost dead on. I'm 5'11 and 182lbs. can do 225 for 16reps... The calculator says that my one rep max is 338.4lbs but did 340 flat.. Great website!!
Posted Fri, 03/23/2012 - 09:56
I like this thing , Im 155lbs 5'7 and i did 245 9 times and it said my max was 318. i did 320 once .
Posted Fri, 03/23/2012 - 10:24
dead on accurate. Im a beginner and i wiegh 125 and im doing 125 5 times and my max is 146 just like it says
Posted Fri, 03/23/2012 - 16:08
I am in the minority of people: this calculator overestimates my one rep max by about twenty pounds. This makes sense though, since I do more endurance training than the average weightlifter.
Posted Sat, 03/24/2012 - 13:01
just curious
Posted Sat, 03/24/2012 - 14:20
pretty excited, just set a new personal 1rm on the bench
Posted Sat, 03/24/2012 - 15:10
I tested it today...I did 225 pounds twenty times and then did 315 4 times...it came close...360 pounds.
Posted Sat, 03/24/2012 - 22:07
I'm 5'8 157 lbs I get 205 10 reps it sais my max is 272 I can get 270.
Posted Sun, 03/25/2012 - 15:37
I can max 155 and I'm 128 pounds.... It says my Max is 128
Posted Mon, 03/26/2012 - 18:19
I'm amazed at how close this bench press calculator figures. I actually get creative by doing various weights at various reps just to see what it calculates. It actually makes working out a littler more fun!
Posted Mon, 03/26/2012 - 18:25
Today I benched 245 10 times and 275 4 times. My one rep max is between 310 and 320 so this is real close. I'll be using this tool a lot.
Posted Sun, 04/08/2012 - 15:14
I did 250 9 times and 275 4 times. My one rep max is 325 so this is right on the money for me. Brent we are right around the same strength i'm sure you have worked hard to get to where you are cause i know i did. Keep it up!
Posted Sun, 04/08/2012 - 16:33
I did 250 9 times and 275 4 times. My one rep max is 325 so this is right on the money for me. Brent we are right around the same strength i'm sure you have worked hard to get to where you are cause i know i did. Keep it up!
Posted Mon, 03/26/2012 - 19:05
You have to bench 5570 pounds 20 times to be OVER 9000!!!
Posted Wed, 03/28/2012 - 16:05
It'll probably take me a couple of years to get there.
Posted Thu, 04/05/2012 - 17:48
What 9000 that cant be right!!
Posted Mon, 03/26/2012 - 21:42
Im 5 Ft 7 and only 120 pounds, pretty skinny guy. I usually do 110-115 about 10 times, which puts me to about 145-155 max rep. I did 160 max the other day, took all the force in my body but I did it, so this is pretty accurate
Posted Tue, 03/27/2012 - 11:05
Im about 175...I can bench 185 for like 8-10 reps, is this anywhere near where I should be for my size, im also 21?!
Posted Tue, 03/27/2012 - 13:15
perfect!!! :)
Posted Tue, 03/27/2012 - 16:22
Oooga mooga, me weigh 250lbs and tall is 5'10'' bench 500lb but haven't lifted since me 10 year old. Cool think I now am?
Posted Tue, 03/27/2012 - 16:25
WRONG-i weigh 152 lbs and i can bench 305 lbs
Posted Wed, 03/28/2012 - 21:03
Just under 6'3", 247 lbs., put up 315 for a solid 9 no spot, prob could have got 10 but was by myself and didn't want to risk that hard 10th rep. Calculator says I should be able to hit just over 400 on a 1 rep, pretty intimidating, ill probably train hard for the next 6 weeks, and get a few heavy negatives in to make sure the ligiments and tendons are as strong as the muscle and give it a shot, would be a pretty incredible milestone to hit right before my 30th birthday!!!
Posted Wed, 03/28/2012 - 21:17
This wasn't too bad. I do 345 for a set of 5 and it said I could get 402.5 for a max. I can get 405, and I'm 16 going on 17, but I'm also 6'2 240.
Posted Wed, 03/28/2012 - 21:59
I'm going to pretend I'm commenting on the accuracy of this thing, but really I just want everyone to know about me and how cool I think I am. So here it goes:
This thing is awesome! I'm 185 lb and I can bench 400 lb about 16-17 times, which according to this means I can bench 601.6 lbs! I just maxed out this morning on squat, deadlift, power clean, bench, and weighted pull ups. I squatted about 905 lb, deadlifted 1200, powercleaned 800, benched 605, and did 72 pull ups with a 45lb plate. So all in all, it was only 3.4 lbs off!
Incredible tool!
Posted Thu, 03/29/2012 - 00:44
This calculator is accurate I benched 225 20x and my one Rep Max was 360 not bad at all...!!!
Posted Thu, 03/29/2012 - 07:24
I am 6'3 I weigh 230 with 27.9 body fat I did 290 x 6 times and it says my max is 348 which I round to 350 I find it's more accurate wen you calculate lower reps 4-6 instead of 8-10 but I have yet to official max my self out so this calculator is all I have....good luck
Posted Thu, 03/29/2012 - 07:29
I'm 6'3 230 with 27.9 body fat I did 290 x 6times it's says my max is 348 I find it's more accurate with lower reps like 4-6
Posted Thu, 03/29/2012 - 23:11
This thing is spot on. Relatively close for both Flat Bench and Decline. Only 3 pounds off between both of them.
Posted Fri, 03/30/2012 - 09:42
Im a junior in high school and i weigh 190. It was about 15 lbs off for me. I did 225 17 times and it said I was at 344, but I'm doing 360!
Posted Fri, 03/30/2012 - 18:16
Im 18 years old, 5 '7, 165, i put up 225 x 12, My estimated Max was 312 i got 310...pretty accurate
Posted Sat, 03/31/2012 - 21:00
i got 135 for 16 reps and it says i get about 203 but i can only get 195... so idk
Posted Sat, 03/31/2012 - 21:39
Man this is cool... ok yesterday I found this website and put in 315/4 it said my max should be 355. S
Posted Sat, 03/31/2012 - 21:44
Man this is cool... ok yesterday I found this website and put in 315/4 it said my max should be 355. I thought my max was 335 so today went to the gym and ended up getting 355 twice.. Wow is all I can say it was dead on for me. Now it says with 355/2 I should be able to get 370...
Posted Sun, 04/01/2012 - 14:56
I'm 22 and weigh 186..fresh i can rep 315 about 8-9 times with no spot and correct form, and it says my one rep max should be about 400, i'm gonna try it within the next 2 days and post how close it was
Posted Sun, 04/01/2012 - 21:24
I am 5'9 215 lbs and can rep 225x24. This wont even go that high.
Posted Mon, 04/02/2012 - 21:13
This is off-.- I'm 16, 5'9 156 lbs and i rep 155 - 6 times. My max at school is 205 and this thing says 175 -.-
Posted Tue, 04/03/2012 - 09:22
5'9 162. This thing is pretty accurate if you don't count lame half reps, improper tech reps, or spotter help. I can rep 255 about 6 times now. Which means my max is 300. For a few months I was stuck at 290 so hopefully it's true. I think it is. I'll shoot a max and tell.
Posted Tue, 04/03/2012 - 11:26
Ha, I'm not sure about it. While I haven't tried it yet, I just did 225x10 yesterday but I have a hard time believing I can get 300 lbs up. I remember one point a while ago I actually tried a 1 rep max at 275 and I could do 215 about 8 or 9 times and I didn't even come close, only got it up about 8 inches. Cool it works for others but I don't think it's accurate for everyone.
Posted Tue, 04/03/2012 - 18:20
I know this is meant for bench but can any one tell me i how accurate it is with other lifts. Thanks
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